andyborris
Posted a lot
Freedom is just another word for nothing left to lose.
Posts: 2,218
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Oct 24, 2012 18:51:07 GMT
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I have a mismatch problem with BMW starters, which no one seems to be able to offer a definitive answer for.
So, I'll have to find out for myself!
Can anyone recommend a substance I can use as mould to make a copy of the pinion gear and then compare it to the ring gear teeth.
Hopefully something that won't stick to the teeth, stay firm when used to measure and let me put a handle into it to aid the measuring? And not cost a packet!
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Oct 24, 2012 20:00:49 GMT
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a damp cold environment should do nicely.
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'72 Opel kadett coupe
'77 Opel kadett city sr
'92 Peugeot 309 Gti Goodwood
'93 Peugeot 205 GL auto
'88 Citroen BX 16v(Breaking)
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v8ian
Posted a lot
Posts: 3,828
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Oct 24, 2012 20:42:59 GMT
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milliput, modelers epoxy putty, give the pinion a light coating of vaseline before you start
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Atmo V8 Power . No slicks , No gas + No bits missing . Doing it in style.
Austin A35van, very different------- but still doing it in style, going to be a funmoble
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Oct 24, 2012 20:53:32 GMT
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Plaster of paris.
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Oct 25, 2012 10:32:00 GMT
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I've used Blue Tak after spraying the item to be copied with WD40. Great for checking stamped serial numbers in hard to see places (as long as you can read inverted letter / numbers ;-) )
Paul h
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Oct 25, 2012 21:10:45 GMT
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V8ian's already suggested what I would suggest. Get some epoxy putty, cover the gear in some vaseline/etc, and mould it over the teeth
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You're like a crazy backyard genius! |
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andyborris
Posted a lot
Freedom is just another word for nothing left to lose.
Posts: 2,218
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Oct 25, 2012 21:15:43 GMT
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Epoxy putty, that's the stuff that you mix together, Liquid Metal is a trade name?
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Oct 25, 2012 21:19:20 GMT
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I'm a Dental Technician and I use a lot of copy type materials.
Don't use plaster as it will stick to the undercuts and as it's a brittle material it will break, it also sticks like curse word to a shovel
i would see if you can contact a local Dental Lab and buy a small quantity of Lab putty
It's a hard semi hard setting silicon material that retains minute detail and doesn't shrink
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